Australasian
Pollen and Spore Atlas
 

Psychotria sp RUBIACEAE

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Code275-8-9

Images

equatorial view
equatorial view
polar view
polar view
surface pattern
surface pattern
wall view
wall view
aperture view
aperture view
unique feature
unique feature

Morphology

Pollen / Spore Morphologic Type(s) Surface Pattern(s) Equatorial Size Polar Size
min max mean min max mean
pollen pantoporate rugulate 45.0 45.0

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Aperture Count(s) M
Morphology Notes Stephanoporate. Spheroidal/tectate. Rugulated/heavy pattern. Pores transverse wider than high. Thick exine 4um.



Ecology and Geography

Plant Type Cotyledon Type Floristic Region(s)
angiosperm dicot Papua New Guinea (highland),
Papua New Guinea (lowland),
West Pacific,
Central Pacific,
Other outside Australasia

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Habitat Notes Members of the genus are low trees in tropical forests. The distinction between Psychotria and the genus Cephaelis are not well known and many species were formerly placed there. Many species produce important chemicals, such Psychotria ipecacuanha or the number of DMT-containing taxa, namely Psychotria viridis. Others are rare or even nearly extinct due to deforestation, mainly species of central Africa and the Pacific.
Herbarium Link: http://www.anbg.gov.au/cpbr/herbarium/index.html



Collection

Collector ANU Access Code
K. Wade ANU No. 7619 1920

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Collection Country Papua New Guinea
Collection Notes Orliac noted wood charcoal found in the umus of Rapa Nui (Easter Island), but pollen not identified in fossil pollen record of RAO3 in Rano Kao. (Gossen, 2010)